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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 21, Iss. 12 — Dec. 1, 2004
  • pp: 2081–2084

Highly efficient generation of pulsed photon pairs with bulk periodically poled potassium titanyl phosphate

Bao-Sen Shi and Akihisa Tomita  »View Author Affiliations


JOSA B, Vol. 21, Issue 12, pp. 2081-2084 (2004)
http://dx.doi.org/10.1364/JOSAB.21.002081


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Abstract

We demonstrate efficient generation of collinearly propagating, degenerate pulsed photon pairs based on a bulk periodically poled potassium titanyl phosphate pumped by an ultrashort-pulse laser. Using a single-mode fiber as a spatial mode filter, we detect approximately 3200 coincidence counts per second per milliwatt pump power in a Hanbury–Brown–Twiss-type experiment. The estimated photon-pair production rate is approximately 1.05 MHz/mW pump power. This is very promising for the realization of sources for quantum communication and metrology.

© 2004 Optical Society of America

OCIS Codes
(030.5260) Coherence and statistical optics : Photon counting
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(270.0270) Quantum optics : Quantum optics

Citation
Bao-Sen Shi and Akihisa Tomita, "Highly efficient generation of pulsed photon pairs with bulk periodically poled potassium titanyl phosphate," J. Opt. Soc. Am. B 21, 2081-2084 (2004)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-21-12-2081

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